Joseph Echevere Valdez

Joseph Echevere Valdez

Nueva Vizcaya State University - / Philippines
Natural Sciences / Chemical Sciences
AD Scientific Index ID: 4720099
person_outline Joseph Echevere Valdez's MOST POPULAR ARTICLES
1-) Problem-based learning approach enhances the problem solving skills in chemistry of high school students JE Valdez, ME Bungihan JOTSE 9 (3), 282-294, 2019 382019
2-) Facile and highly efficient three-phase single drop microextraction in-line coupled with capillary electrophoresisS Jeong, JE Valdez, N Miękus, JY Kwon, W Kwon, T Bączek, DS ChungJournal of Chromatography A 1655, 462520, 202152021
3-) Single bubble in‐tube microextraction coupled with capillary electrophoresisS Jeong, X Noulorsaytour, JE Valdez, DS ChungElectrophoresis 43 (3), 456-463, 202242022
4-) High performance single drop microextraction in-line coupled with capillary electrophoresis for trace analysis of NSAIDs in human urineJE Valdez, N Miękus, JY Kwon, W Kwon, T Bczek, DS Chung한국분석과학회 학술대회, 194-194, 20212021